Demons killed all of Tanjiro Kamado’s family and turned his younger sister Nezuko into a demon. The boy joined the Demon Slayer Corps. While the fighters train and prepare to battle demons, Muzan Kibutsuji—the progenitor of all demons and the murderer of Tanjiro’s family—appears at the estate of the Demon Slayer Corps leader. The demon slayers rush to their leader’s aid, but Muzan transports them to a demon fortress called the Infinity Castle.

Tanjiro Kamado

Tanjiro Kamado is the main protagonist of the popular manga and anime series “Demon Slayer: Kimetsu no Yaiba.” He is a kind-hearted boy who becomes a Demon Slayer after his family is slaughtered by a demon, and his quest revolves around finding a cure to turn his demon-turned sister, Nezuko, back into a human.

Nezuko

Nezuko is not a place or cultural site, but rather a fictional character from the popular Japanese manga and anime series *Demon Slayer: Kimetsu no Yaiba*. She is the younger sister of the protagonist, Tanjiro Kamado, who is transformed into a demon but retains her human emotions and fiercely protects humans. The character has become a significant modern icon in anime culture, symbolizing themes of family, resilience, and compassion.

Demon Slayer Corps

The Demon Slayer Corps is a fictional secret organization from the manga and anime series “Demon Slayer: Kimetsu no Yaiba.” For centuries, its members have dedicated themselves to protecting humanity from demons, using special breathing techniques and Nichirin Blades. The corps operates in the shadows, with its history deeply intertwined with the legacy of its founder and the ongoing battle against the first demon, Muzan Kibutsuji.

Muzan Kibutsuji

Muzan Kibutsuji is a fictional character and the primary antagonist in the popular manga and anime series “Demon Slayer: Kimetsu no Yaiba.” He is depicted as the first demon and the progenitor of all other demons, having lived for over a thousand years by consuming a special medicine. Muzan is known for his ruthless pursuit of immortality and his role as the leader of the Twelve Kizuki, the series’ main antagonists.

Infinity Castle

The Infinity Castle is a fictional location from the manga and anime series *Demon Slayer: Kimetsu no Yaiba*. It is the personal fortress of the primary antagonist, Muzan Kibutsuji, a constantly shifting, non-Euclidean space with no fixed form or orientation. This labyrinthine castle serves as the final battleground where the Demon Slayer Corps confronts Muzan and his most powerful demons.